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Transcription and Regulation

Transcription and Regulation
Transcription factors are

CATT boxes
promoters
proteins which bind to DNA and regulate transcription
TATA boxes

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Transcription and Regulation
Rho-dependent termination of transcription in E. coli

requires about 50 nucleotides of uncomplexed mRNA
requires ATP
removes mRNA and holoenzyme from the DNA
both (a) and (b)

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Transcription and Regulation
The complex of RNA polymerase, DNA template and new RNA transcript is called

replication bubble
transcription bubble
a translation bubble
none of these

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Transcription and Regulation
Each tRNA molecule has a cloverleaf secondary structure consisting of

either (a) or (b)
four stem loops
three stem loops
two stem loops

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Transcription and Regulation
RNA polymerase holoenzyme initiates transcription which involves

recognition of the -10 sequence and -35 sequence
recognition of the -10 sequence only
None of these
recognition of the -35 sequence only

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Transcription and Regulation
RNA is synthesized on a DNA template in a process called __________ , which utilizes the enzyme __________

transcription, DNA polymerase
replication, DNA polymerase
translation, RNA polymerase
transcription, RNA polymerase

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